---
url: https://canary.warp-drive.io/api/@warp-drive/legacy/compat/extensions.md
description: >-
  Legacy schema extensions that give reactive objects and arrays the classic
  `EmberObject` and Ember array APIs, such as `get`, `set` and `mapBy`, plus
  matching types.
---

 

## Variables

* [EmberArrayLikeExtension](variables/EmberArrayLikeExtension.md)
* [EmberObjectArrayExtension](variables/EmberObjectArrayExtension.md)
* [EmberObjectExtension](variables/EmberObjectExtension.md)

## Types

* [ArrayType](types/ArrayType.md)
* [WithArrayLike](types/WithArrayLike.md)
* [WithEmberObject](types/WithEmberObject.md)